Multiple diameter cutting elements and bits incorporating the same

United States of America Patent

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Dec 9, 2008
Grant Date
Apr 21, 2005
app pub date
Aug 17, 2004
filing date
Aug 21, 2003

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Expired

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Abstract

Cutting elements are provided having multiple diameter sections. Also provided are bits incorporating such cutting elements.

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Patent Owner(s)

Patent Owner	Address
SMITH INTERNATIONAL INC	1310 RANKIN ROAD HOUSTON TX 77073

International Classification(s)

E21B:EARTH OR ROCK DRILLING

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Inventor Name	Address	# of filed Patents	Total Citations
Azar, Michael G	The Woodlands, TX	46	1049
Keshavan, Madapusi K	The Woodlands, TX	127	6299
Truax, David K	Houston, TX	9	270

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Multiple diameter cutting elements and bits incorporating the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10919906

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PATENT NO	7461709
APP PUB NO	20050082093A1
SERIAL NO	10919906
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 09, 2008	US,7461709,B2 US7461709B2	GRANTED PATENT AS SECOND PUBLICATION
April 21, 2005	US,20050082093,A1 US20050082093A1	FIRST PUBLISHED PATENT APPLICATION

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10919906

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